Loss of ground contact Action required: Fill in depressions and back-grout with chips from damaged section.

Sediment accumulation of ½ sock height Action required: Remove accumulated sediment or install a second row of sock positioned on top of or up slope of the original sock

The following silt sock conditions require repair:

Holes, rips or tears of the sock Action required: Small holes or narrow rips shorter than 12 inches may be stitched closed using plastic zip-ties. Tears longer than 12 inches require the sock be replaced.

Pinch or localized diameter reduction of more than ½ the original diameter Action required: Install new section of sock up slope of the damaged section.

The Silt Sock is an effective erosion control device. It’s success relies on proper installation and maintenance.